Kinematics Question 570

Question: The angle turned by a body undergoing circular motion depends on time as $ \theta ={\theta _{0}}+{\theta _{1}}t+{\theta _{2}}t^{2} $ . Then the angular acceleration of the body is [IIT JEE 2005]

Options:

A) $ {\theta _{1}} $

B) $ {\theta _{2}} $

C) $ 2{\theta _{1}} $

D) $ 2{\theta _{2}} $

Show Answer

Answer:

Correct Answer: D

Solution:

Angular acceleration$ =\frac{d^{2}\theta }{dt^{2}} $ = 2q2



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